... .Standard:AISI, ASTM, DIN, GB, BS, JIS,NF Investment Casting of Steel Bent Axle / Crankshaft 1.Quality system certificate: ISO 90002. Standard: ... , Polishing, Chrome, Zinc, Nickel Plating 11. These parts are used in machine assembly, valve &pump parts, auto &motorcycle parts, train & ... drawings , specifications and samples are welcome for customized. Investment Casting of Steel Bent Axle / Crankshaft